1) A product of rare indigestion, in which
constipation is directly followed by diarrhea during the same bathroom trip.
2) A shitty-looking pizza.
Literally.
1) "I shat so hard my sphincter hurt. And then, looking into the bowl, the result was a total shizza"
2)
Dude 1: "Delivery or Delissio, amirite?"
Dude 2: "Yeah. Half-frozen, half-overcooked. Talk about buying a shizza..."